poppo ADS-B is a free, self-hosted hobby project — a Raspberry Pi with an antenna, streaming live aircraft and rendering the world you see in 3D. It costs a little to run (data, hardware, the odd SD card). If you enjoy it, a small tip keeps it going.
(Replace the two links above with your real Ko‑fi / Buy Me a Coffee / Patreon URL and your contact email.)
A single tasteful sponsor slot on the welcome page is available for flight schools, simulator shops and aviation brands with a Netherlands audience. Use the “Sponsor / partner” button above.
No payment details are collected by this site; tips are handled entirely by the third‑party tip service you choose.